Health library

Allergen: Insect Stings

Insect stings that most commonly cause allergic reactions:

Insects that are members of the Hymenoptera family most commonly cause allergic reactions. These include:

bees

wasps

hornets

yellow jackets

fire ants

Allergic reactions to insect stings:

Usually, the reaction is short-lived, with redness and swelling followed by pain and itching. Generally, the reaction lasts only a few hours, although some may last longer.

For other people, however, allergic reactions to these insect stings can be life threatening. This severe reaction is a medical emergency that can involve organ systems throughout the body. The reaction is called anaphylaxis and can include severe symptoms such as:

itching and hives over most of the body

swelling of the throat and tongue

difficulty in breathing

dizziness

headache

stomach cramps, nausea, or diarrhea

rapid fall in blood pressure

shock

loss of consciousness

Immediate medical attention is required.

Can insect stings be prevented?

Avoidance of insects is the best preventive measure. Suggestions include:

When outdoors, be careful of eating or drinking uncovered foods or beverages, which can attract insects.